package com.zq.it.dao.impl.exam;

import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.zq.it.dao.exam.TClassPaperDAO;
import com.zq.it.dao.impl.BaseDao;
import com.zq.it.pojo.exam.TClassPaper;

public class TClassPaperDAOImpl extends BaseDao<TClassPaper> implements TClassPaperDAO {
	private static final Logger log = LoggerFactory
			.getLogger(TClassPaperDAOImpl.class);

	public static final String EXTEND_FIELD = "extendField";

	@Override
	public void save(TClassPaper transientInstance) {
		log.debug("saving TClassPaper instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	@Override
	public void delete(TClassPaper persistentInstance) {
		log.debug("deleting TClassPaper instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	@Override
	public TClassPaper findById(Long id) {
		log.debug("getting TClassPaper instance with id: " + id);
		try {
			TClassPaper instance = (TClassPaper) getHibernateTemplate()
					.get("com.zq.it.pojo.exam.TClassPaper", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	@Override
	public List findByExample(TClassPaper instance) {
		log.debug("finding TClassPaper instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	@Override
	public List findByProperty(String propertyName, Object value) {
		log.debug("finding TClassPaper instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from TClassPaper as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	@Override
	public List findByExtendField(Object extendField) {
		return findByProperty(EXTEND_FIELD, extendField);
	}

	@Override
	public List findAll() {
		log.debug("finding all TClassPaper instances");
		try {
			String queryString = "from TClassPaper";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	@Override
	public void update(TClassPaper instance) {
		log.debug("attaching dirty TClassPaper instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	@Override
	public List<TClassPaper> findByHql(String hql) {
		return getHibernateTemplate().find(hql);
	}

	@Override
	public void deleteByHql(String hql) {
		super.deleteEntity(hql);
	}
}